Finding the Fourth Proportional to 11,555,241.12, 15,945,549.84 and 6,398,313.12
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Solution
The fourth proportional to 11,555,241.12, 15,945,549.84 and 6,398,313.12 is: 8,829,293.97
Step by Step Solution
- Step 1: Write the proportion equation
11,555,241.12 : 15,945,549.84 = 6,398,313.12 : x - Step 2: Convert to fraction form
11,555,241.12/15,945,549.84 = 6,398,313.12/x - Step 3: Cross multiply
11,555,241.12x = 15,945,549.84 × 6,398,313.12 - Step 4: Simplify right side
11,555,241.12x = 102,024,620,746,885.91 - Step 5: Solve for x
x = 102,024,620,746,885.91/11,555,241.12 - Step 6: Final answer
x = 8,829,293.97
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.